Who is Athena from Theogony and Works and Days and what is their importance?

Athena is the daughter of Zeus and Metis. Because of Metis' wisdom, Zeus places Athena in his own belly to avoid Athena attaining her mother's wisdom and overthrowing him. Zeus gives birth to Athena on the bank of the river Trito. Athena excels all other gods and men in the arts of war. She helps to prepare Pandora as a punishment for mankind.